Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Existem escolas secundárias integradas em Basel-Stadt?
 ###Tabelas: CREATE TABLE belmont_stakes_feature_key_prep_races_list (belmont_stakes_feature_key_prep_races_list_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Track VARCHAR, Race VARCHAR, Distance VARCHAR, Surface track VARCHAR, Winning horse VARCHAR, Winning jockey VARCHAR) CREATE TABLE cantonal_school_systems (cantonal_school_systems_id AUTO_INCREMENT PRIMARY KEY, Canton VARCHAR, Years of Kindergarten INT, Years of Kindergarten provided VARCHAR, Years of Kindergarten legally required VARCHAR, Length of Primary School INT, Length of mandatory Secondary School INT, Separate Secondary Schools? VARCHAR, Cooperative Secondary Schools? VARCHAR, Integrated Secondary Schools? VARCHAR) CREATE TABLE wales (wales_id AUTO_INCREMENT PRIMARY KEY, Player VARCHAR, Int'l Debut VARCHAR, Year INT, Cross Code Debut VARCHAR, Date VARCHAR, Position VARCHAR) CREATE TABLE athletes (athletes_id AUTO_INCREMENT PRIMARY KEY, Nationality VARCHAR, Height VARCHAR, Name VARCHAR, Sport VARCHAR, Lifespan VARCHAR) CREATE TABLE barnsley (barnsley_id AUTO_INCREMENT PRIMARY KEY, Season VARCHAR, Division VARCHAR, League Apps INT, League Goals INT, FA Cup Apps INT, FA Cup Goals INT, Total Apps INT, Total Goals INT)  
SELECT Integrated Secondary Schools? FROM cantonal_school_systems WHERE Canton = Basel-Stadt